565478424 has 144 divisors (see below), whose sum is σ = 1843311600. Its totient is φ = 155965824.

The previous prime is 565478413. The next prime is 565478443. The reversal of 565478424 is 424874565.

565478424 is a `hidden beast` number, since 5 + 6 + 547 + 84 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 565478424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99549 + ... + 105075.

It is an arithmetic number, because the mean of its divisors is an integer number (12800775).

Almost surely, 2^565478424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565478424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921655800).

565478424 is an abundant number, since it is smaller than the sum of its proper divisors (1277833176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565478424 is a wasteful number, since it uses less digits than its factorization.

565478424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582 (or 5568 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 565478424 is about 23779.7902429773. The cubic root of 565478424 is about 826.9362170181.

The spelling of 565478424 in words is "five hundred sixty-five million, four hundred seventy-eight thousand, four hundred twenty-four".